﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Abble4a
{
    class SumUtils
    {
        public int sum(int a, int b)
        {
            return a + b;
        }
        public double sum(double e, double f)
        {
            return e + f;
        }
        public string sum(string c, string d)
        {
            return c + d;
        }
        public int sum(int num)
        {
            int sum1 = 0;
            for (int i = 0; i < num; i++)
            {
                sum1 = i + i;
            }
            return sum1;
        }
    }
}
